Explain why the ratio of the length of an arc of a circle to its radius depends only…

MATHEMATICS · Subjective · CBSE · Mathematics · Trigonometric Functions · Trigonometric Functions

Problem

Explain why the ratio of the length of an arc of a circle to its radius depends only on the angle subtended at the centre and not on the actual size of the circle.

Related theory

Angle Measurement
Trigonometric Functions
Angles and arc length
Relation between radian and real numbers

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